11222001121122 has 24 divisors (see below), whose sum is σ = 26524729923120. Its totient is φ = 3400606400280.

The previous prime is 11222001121109. The next prime is 11222001121151. The reversal of 11222001121122 is 22112110022211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11222001121095 and 11222001121104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28338386472 + ... + 28338386867.

It is an arithmetic number, because the mean of its divisors is an integer number (1105197080130).

Almost surely, 2^{11222001121122} is an apocalyptic number.

11222001121122 is an abundant number, since it is smaller than the sum of its proper divisors (15302728801998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222001121122 is a wasteful number, since it uses less digits than its factorization.

11222001121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56676773358 (or 56676773355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11222001121122 its reverse (22112110022211), we get a palindrome (33334111143333).

The spelling of 11222001121122 in words is "eleven trillion, two hundred twenty-two billion, one million, one hundred twenty-one thousand, one hundred twenty-two".